@alexamore90 Lets try to unpack this.

You have 3 ESXi servers connected to an unmanaged switch.

This part is a bit unclear. After deploying on a few pcs the speed dropps to 900mb/min (watch your unit of measure). Normally its up to 22GB/min (again assuming you are getting this number from partclone).

After deploying to a few PCs the speed drops. Is this simultaneous deployments or consecutive deployments the speed drops?

Unmanaged switch: So this isn’t an enterprise class switch. You may have issues with throughput on the switch itself. The aciscs might not be fast enough for the amount of data your are trying to push through. Look at the throughput listed in the technical documentation for the switch.

You didn’t mention the uplink speed from the ESXi servers to this switch. On a well managed 1GbE network you should get around 6GB/min throughput. On a well managed 10GbE network I’ve seen 13-15GB/min. So your 22GB/min seems a bit higher than expected. I can say with a physical FOG server connected via 1GbE link, I can saturate that 1GbE link with 3 concurrent image deployments. When that happens the error rate increases and the throughput drops off quote a bit.

The other thing if you are trying to do concurrent deployments with these 3 FOG servers, make sure the drives on ESXi are SSD or NVME drives and not spinning disks for performance reasons.

In the end I don’t think this is a FOG server issue specifically, rather something in the environment that is causing the speed issue.

Just checking in here to Mark this as SOLVED. I had added the dev branch under a different folder. So the mix up was between the chair and the keyboard. Performed @Tom-Elliott Recommendations and reinstalled from my primary install and it is now working. trying to pxe boot MacBookPro’s. That’s another story, for another thread.

@Tom-Elliott

Ok thanks @Tom-Elliott - that helped me. I had a script that was failing and trying to find logs for it was difficult to get a location that it could write to, that I could find after the deployment, and i couldn’t see if it was erroring or whatever… running in deploy debug was really helpful. Thanks.

@ALV_SUPECOLES This seems to be similar to this thread: https://forums.fogproject.org/topic/17759/ipxe-initialising-devices

In this case uefi firmware was updated then iPXE stops at initializing devices. If compiling and installing the latest version of iPXE doesn’t solve the problem then we will have to wait for either iPXE developers or Lenovo to fix the problem. https://forums.fogproject.org/topic/15826/updating-compiling-the-latest-version-of-ipxe

@nicolas-moraes We have to be careful some Soho routersthe don’t behave well with pxe booting. Some will put its IP address as the boot server even if you have dhcp option 66 configured. I don’t know the edgerouter, but if there is a bootp option make sure that is turned on too.

The edgerouter is based on vyos so it should behave correctly. Make sure when you define dhcp option 66 its the IP address of the fog server and for dhcp option 67 the boot file name needs to be all lower case. Make sure you don’t have a leading or trailing white space in the name.

If you have double checked everything then get a witness computer and load wireshark on it. Make sure you setup a capture filter of port 67 or port 68 start the scanning then pxe boot the computer until you get the error message then stop scanning.

What you are looking for is the DORA sequence
Discover (sent by target computer, akin to hello world, please configure me)
Offer (sent by one or more dhcp server, I would there to be only one of these and from your edgerouter).
Request (sent by the target computer)
Ack/Nack (sent by the dhcp server)

The interesting packet will be the OFFER.

Look at the packet, there should be an ethernet header section with the following fields.
Next-Server: this should be the IP address of your fog server (this is the bootp part)
Boot-FIle: this should be the name of the ipxe file to load.

If either of those are blank some pxe clients will not boot if they look at the bootp fields.

In the dhcp options section you should see option 66 and 67 that should mirror the values in the bootp part.

@Tom-Elliott Thank you Tom. I change the UUID’s by the devices names on the /etc/fstab on the “golden” machine before I capture a new image and I redeploy it, but apparently it doesn’t change anything

ok, got it.

My storage pool had the other IP address, once I changed the IP of the storage pool to same subnet has the machine I am trying to clone, it went smoothly.

It is now copying at 257MB/min… is that good ?

@george1421 Gotcha. Thanks for the reply. I’ll post a picture of the error when I’m able to get back to testing next week.

@Tom-Elliott

Yeah, this was my suspicion. I see both sides of it too. Sounds like I’ll have to either super simplify some of my install scripts and make some sacrifices or figure out another solution.

I appriciate the response and confirmation!

This thread is quite old. Just here to mark it solved. I did manage to set my isp’s router as the dhcp server and successfully captured an image.
Thanks for all your suggestions and help.

@Tom-Elliott said in Capture UEFI image on hyper-v VM:

6.1.89

Thanks, this worked for me.

When tasking a host, I’d get the same as @Baessens (Hyper-V).

I went to kernel update and installed 6.1.89 as per Tom’s suggestion and I was able to get past and into image deployment!

@cjiwonder Well this is the strangest pcap that I’ve seen in a while. I finally found a uefi computer pxe booting at 8.3 seconds (you have a very active dhcp network). And the request is from 192.168.200.1.

Your dhcp server is telling the client to get ipxe.efi from 192.168.200.3. Is that your fog server? The dhcp transaction looks normal and from the dhcp side should work.

It looks like you used wireshark on the same subnet as your dhcp server? I would have expected to see broadcast messages from the pxe booting computers instead of unicast messages between the routers and dhcp server. That’s OK because we now know that the dhcp server is sending out the right boot file information (assuming that 200.3 is your fog server). If you would have used the tcpdump command from the fog server we could/should have see the target computer requesting the file to download. That would tell us if the file was actually being sent to the pxe booting computer. But from the dhcp side it looks good.

@Tom-Elliott
I could send you any log-info you guide me.
Too bad no one could help this problem.
I had so time consuming setting up this great project.
Do you might now anyone else i could send a message maybe?A remote session somehow?
Thanks for the effort anyway.

I had a problem when capturing an image when the computer was in legacy mode, when it was in UEFI mode everything worked. Then I reinstalled FOG on PROXMOX and I didn’t check Legacy mode anymore, but now I just tested imaging in legacy mode and everything works. That’s why I thought it was somehow dependent on whether fog was installed in UEFI/Legacy mode. Topic to close then.

@Tom-Elliott Thanks for the clarification, but please let me know if I can at least somehow avoid resizing the current partitions (especially boot partition), such as by checking Multiple Partition Image - Single Disk (Not Resizable) - (2)?

Hello,
I have a prod server and a test server
To differentiate them, I would lid like to change the default “blue theme” to a green theme.
Which lines should I modifi in de fog.css files ?

Hello, it looks something is wrong with you backend.
Are you able to open from the browser:

http://192.168.1.22/fog/service/ipxe/boot.php http://192.168.1.22/fog/service/ipxe/bzImage

?

@kentasmith Try changing your DHCP option 67 to another one of the boot files available (link below). We had this error and this resolved it. Think changing it to ipxe.kpxe instead of undionly.kpxe helped.

https://docs.fogproject.org/en/latest/installation/network-setup/dhcp-server-settings/#option-67